1. Moreover, David and the commanders of the army set apart for the service some of the sons of Asaph and of Heman and of Jeduthun, who were to prophesy with lyres, harps and cymbals; and the number of those who performed their service was:
2. Of the sons of Asaph: Zaccur, Joseph, Nethaniah and Asharelah; the sons of Asaph were under the direction of Asaph, who prophesied under the direction of the king.